1,877 New GMC Sierra for Sale Near Highlands Ranch, CO

There are 1,877 new GMC Sierra listings for sale from 48 dealerships, priced from $40,195 to $139,799.

The median asking price for a new GMC Sierra is $71,417. Listings range from $40,195 to $139,799. The average mileage is 98 miles.

The lowest-priced listing is a 2026 GMC Sierra Pro 4WD Regular Cab Standard Box at $40,195 in Casper, WY.

New GMC Sierra inventory spans model years 2024 to 2026. The 2024–2028 model years are the most available, with 1,877 listings.

The GMC Sierra is available in the following trim levels:

• GMC Sierra Elevation 4WD Crew Cab Standard Box for sale251 listings
• GMC Sierra Pro 4WD Crew Cab Standard Box for sale168 listings
• GMC Sierra AT4 4WD Crew Cab Standard Box for sale160 listings
• GMC Sierra Denali 4WD Crew Cab Short Box for sale155 listings
• GMC Sierra Denali 4WD Crew Cab Standard Box for sale128 listings
• GMC Sierra SLT 4WD Crew Cab Short Box for sale125 listings
• GMC Sierra AT4 4WD Crew Cab Short Box for sale105 listings
• GMC Sierra Denali Ultimate 4WD Crew Cab Standard Box for sale77 listings
• GMC Sierra Pro 4WD Crew Cab Long Box for sale71 listings
• GMC Sierra AT4X 4WD Crew Cab Standard Box for sale67 listings